" changeableness "

1: as in instability, unpredictability;

•  Synonyms : 

•  capriciousness,

•  changeability,

•  fickleness,

•  instability,

•  mutability,

•  unpredictability,

•  unsteadiness,

•  variability,

•  variableness,

•  volatileness,

•  volatility,

•  aperiodicity,

•  inconsistence,

•  inconsistency,

•  irregularity,

•  unevenness,

•  caducity,

•  evanescence,

•  impermanence

•  Antonyms : 

•  changelessness,

•  constancy,

•  fixedness,

•  immutability,

•  immutableness,

•  invariability,

•  stability,

•  steadiness,

•  unchangeableness,

•  consistency,

•  regularity,

•  sameness,

•  uniformity,

•  durability,

•  enduringness,

•  lastingness,

•  permanence

1: capable of being readily changed;

  * e.g., " ... an easily changeable color scheme for the nursery "

•  Synonyms : 

•  adaptable,

•  adjustable,

•  alterable,

•  elastic,

•  flexible,

•  fluid,

•  malleable,

•  modifiable,

•  pliable,

•  variable

•  Antonyms : 

•  established,

•  fixed,

•  immutable,

•  inelastic,

•  inflexible,

•  invariable,

•  nonmalleable,

•  ramrod,

•  set,

•  unadaptable,

•  unalterable,

•  unbudgeable,

•  unchangeable

2: likely to change frequently, suddenly, or unexpectedly;

  * e.g., " ... the changeable nature of the business is such that you either have too much or too little to do "

•  Synonyms : 

•  capricious,

•  changeful,

•  fickle,

•  flickery,

•  fluctuating,

•  fluid,

•  inconsistent,

•  inconstant,

•  mercurial,

•  mutable,

•  skittish,

•  temperamental,

•  uncertain,

•  unpredictable,

•  unsettled,

•  unstable,

•  unsteady,

•  variable,

•  volatile

•  Antonyms : 

•  certain,

•  changeless,

•  constant,

•  immutable,

•  invariable,

•  predictable,

•  settled,

•  stable,

•  stationary,

•  steady,

•  unchangeable,

•  unchanging,

•  unvarying